Application:

Designed for installation on potable water lines to protect against both back siphonage and back pressure of polluted water into the potable water supply. The Model 350AST shall provide protection where a potential health hazard does not exist. Ideal for use where Lead-Free* valves are required.

Standards Compliance (Horizontal & Vertical):

ASSE® Listed 1015

AWWA Compliant C510 (with gates only), and C550

UL® Classified

C-UL® Classified

FM® Approved

CSA® Certified

IAPMO® Listed

Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California.

NSF® Listed-Standard 61, Annex G*

Certified to NSF/ANSI 372* by IAPMO R&T *(0.25% max. weighted average lead content)

Materials:

Main Valve Body: 304L Stainless Steel

Access Covers: 304L Stainless steel

Internals: Stainless steel, 300 Series, NORYL™, NSF Listed

Fasteners and Springs: Stainless Steel, 300 Series

Seal Ring: EPDM (FDA approved)

O-ring: Buna Nitrile (FDA approved)

Features:

Sizes: 2 1/2”, 3”, 4”, 6”, 8”, 10”

Maximum Working Water Pressure: 175 PSI

Maximum Working Water Temperature: 140˚F

Hydrostatic Test Pressure: 350 PSI

End Connections

(Grooved for steel pipe) AWWA C606

(Flanged) ANSI B16.1 Class 125

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.